Rainier and Liberty Cap Temperature and Elevation Measurements Aug 20, 2026 Eric Gilbertson, Olly Cohen, Greg Scruggs, Alex Canizaro Results: -Rainier summit had 29 days above freezing June 13 – Aug 20 (42% of days were above freezing) -255 hours were above freezing (16% of time) -Max summit temp 41F,… Continue reading
Colfax Peak Survey Aug 18, 2026 Eric, Olly, Joshua Results: Summit melted down 2.6ft since last summer measurement in 2024. Current elevation 9441.8ft +/-0.2ft NAVD88. Still an icecapped peak, but ice summit only 3.3ft higher than nearby rock summit. Colfax Peak is one of only two remaining icecapped peaks in… Continue reading
Highpoints of the Americas Eric Gilbertson May 26, 2010 – July 27, 2026 The Highpoints of the Americas is a challenging peakbagging objective consisting of climbing 35 country highpoints – the 23 country highpoints of North America plus the 12 country highpoints of South America. Nobody had previously completed this… Continue reading
Huascaran Sur – Peru Highpoint July 27, 2026 Eric Gilbertson, Nate Heald Survey results: 6754.9m +/-0.1m EGM2008 Summit has melted down 1.8m since 2017 I’ve now climbed all 35 country highpoints of the Americas, the first person to complete this list. July 18 – flight to Huaraz, drive to 4700m… Continue reading
Pico Bolivar – Venezuela Highpoint July 11-15, 2026 4980m Eric, Juan, Giovanny July 9 – flight Puerto Ordaz to El Vigia, taxi to Merida July 10 – buffer day in Merida July 11 – hike to Pedro’s house, 3200m July 12 – hike to Mezo camp, 4200m July 13 –… Continue reading
Mt Roraima – Guyana Highpoint June 26 – July 2, 2026 50 miles, 10kft gain Eric Gilbertson and Andres Rodriguez Survey results: I determined the true highpoint of Guyana is at location (5.210989, -60.739325) with elevation 2805.8m +/-0.1m EGM2008. This is also the true summit of Mt Roraima which, contrary… Continue reading
Blue Mtn Peak and Middle Peak, Highpoints of Jamaica June 23, 2026 Eric Gilbertson 16 miles, 4700ft gain Results (EGM2008, 95% confidence interval errors) Middle Peak: 2254.02m +/-0.04m Blue Mountain Peak: 2253.99m +/-0.03m SE Peak: 2253.16m +/-0.14m Blue Mountain Peak and Middle Peak are tied for the country highpoint…. Continue reading
East Crestone and Crestone Second Surveys June 15-17, 2026 Eric Gilbertson, Hannah Finch, Matt Sewick, Ethan Moe Abstract East Crestone is a mountain in South Central Colorado near Crestone Peak. In October, 2025 we measured both peaks with GNSS (Global Navigation Satellite System) units and discovered East Crestone is taller… Continue reading
The GNSS-Based Colorado Centennials List May-June, 2026 Eric Gilbertson, Elijah Gendron, Dylan Kilby, Ben Loftin, Joseph Thompson Abstract The Colorado Centennials List, composed of the 100 highest peaks in Colorado with at least 300 ft of prominence, is a popular peakbagging objective in Colorado. The list was originally based on… Continue reading
Mt Rainier via Emmons June 12/13, 2026 Eric Gilbertson, Peter Steele, Thomas Coleman 11:30pm – 6pm, 20 miles, 11kft gain I decided to get one last ski trip in for the season on Rainier. We drove to Paradise Friday afternoon and the staff advised us that the ladders had fallen… Continue reading